Please, try this code:
<!doctype html>
<html>
<head>
<title>My Webpage Title</title>
</head>
<body>
<p style='font-family:courier'>Do you know?</p>
<p style="font-size:20px; font-family:Calibri">Honey bees communicate by dancing.</p>
<br>
<p>Turtles can breathe through their ts!</p>
</body>
</html>
